Which lab tests are performed in the workup of focal muscular atrophy (FMA)?

Updated: Feb 20, 2018
  • Author: Sridharan Ramaratnam, MD, MBBS; Chief Editor: Helmi L Lutsep, MD  more...
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The choice of investigations depends on the physical signs, symptoms, and clinical impression.

Blood counts, erythrocyte sedimentation rate (ESR), serum glucose, serum CPK.

When clinically indicated:

  • Thyroid functions

  • Rheumatoid factor

  • Serum ACE assay

  • Serum anti-GM1 antibodies

  • Viral studies

  • Screening for toxins or systemic malignancy

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